Explicitly setting names for stories in used page_sets

tools/perf/page_sets/story_set_unittest.py

Index: tools/perf/page_sets/story_set_unittest.py
diff --git a/tools/perf/page_sets/story_set_unittest.py b/tools/perf/page_sets/story_set_unittest.py
index 35247c6e76f911f061a6b4bcaab378ea2d1ecbf0..b3ff3d049d5664646d0f69e2dcfef264dae8af1b 100644
--- a/tools/perf/page_sets/story_set_unittest.py
+++ b/tools/perf/page_sets/story_set_unittest.py
@@ -38,3 +38,11 @@ class StorySetUnitTest(story_set_smoke_test.StorySetSmokeTest):
             'Page %s in page set %s has non empty synthetic delay. '
             'Synthetic delay is no longer supported. See crbug.com/508538.' %
             (story.display_name, story_set.Name()))
+
+  def testNoStorySetDefinedWithUnnamedStories(self):
+    for story_set_class in self.GetAllStorySetClasses(self.story_sets_dir,
+                                                      self.top_level_dir):
+      story_set = story_set_class()
+      for story in story_set:
+        self.assertTrue(story.name != '',

[nednguyen, 2017/06/13 18:55:25]

forgot to comment on this, instead of assertTrue(story.name != ''), it's better
to do:

assertTrue(story.name)

or you can also do assertTrue(story_set.verify_names)


But given that we gonna flip the switch & delete this soon, probably it isn't
worth fixing this.

+                        'stories must be named: ' + str(story_set_class))